Remove explicit dex2oat calls from run-test

Change-Id: If7222e834602bfc1232ac199ab81e7c09c058f43
diff --git a/Android.mk b/Android.mk
index 9ddd2ba..5923a71 100644
--- a/Android.mk
+++ b/Android.mk
@@ -264,6 +264,7 @@
 	rm -f $(TARGET_OUT_APPS)/*.oat
 	rm -f $(TARGET_OUT_INTERMEDIATES)/JAVA_LIBRARIES/*_intermediates/javalib.jar.oat
 	rm -f $(TARGET_OUT_INTERMEDIATES)/APPS/*_intermediates/package.apk.oat
+	rm -rf /tmp/art-cache/*.oat
 	adb remount
 	adb shell rm $(ART_NATIVETEST_DIR)/*.oat
 	adb shell rm $(ART_NATIVETEST_DIR)/*.art